201938 has 16 divisors (see below), whose sum is σ = 337824. Its totient is φ = 89760.

The previous prime is 201937. The next prime is 201947. The reversal of 201938 is 839102.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406 + ... + 1542.

It is an arithmetic number, because the mean of its divisors is an integer number (21114).

2²⁰¹⁹³⁸ is an apocalyptic number.

201938 is a deficient number, since it is larger than the sum of its proper divisors (135886).

201938 is a wasteful number, since it uses less digits than its factorization.

201938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 201938 is about 449.3751216968. The cubic root of 201938 is about 58.6686394539.

The spelling of 201938 in words is "two hundred one thousand, nine hundred thirty-eight".